src/mgr/FunAction.h

   1 /*
   2  * DEBUG: section 16    Cache Manager API
   3  *
   4  */
   5
   6 #ifndef SQUID_MGR_FUN_ACTION_H
   7 #define SQUID_MGR_FUN_ACTION_H
   8
   9 #include "mgr/Action.h"
  10 #include "mgr/ActionCreator.h"
  11
  12 namespace Mgr
  13 {
  14
  15 /// function-based cache manager Action; a wrapper for so called legacy actions
  16 /// that do everything using a single OBJH function
  17 class FunAction: public Action
  18 {
  19 protected:
  20     FunAction(const CommandPointer &cmd, OBJH *aHandler);
  21
  22 public:
  23     static Pointer Create(const CommandPointer &cmd, OBJH *aHandler);
  24
  25     /* Action API */
  26     virtual void respond(const Request& request);
  27     // we cannot aggregate because we do not even know what the handler does
  28     virtual bool aggregatable() const { return false; }
  29
  30 protected:
  31     /* Action API */
  32     virtual void dump(StoreEntry *entry);
  33
  34 private:
  35     OBJH *handler; ///< legacy function that collects and dumps info
  36 };
  37
  38 /// creates FunAction using ActionCreator API
  39 class FunActionCreator: public ActionCreator
  40 {
  41 public:
  42     explicit FunActionCreator(OBJH *aHandler): handler(aHandler) {}
  43
  44     /* ActionCreator API */
  45     virtual Action::Pointer create(const CommandPointer &cmd) const {
  46         return FunAction::Create(cmd, handler);
  47     }
  48
  49 private:
  50     OBJH *handler; ///< legacy function to pass to the FunAction wrapper
  51 };
  52
  53 } // namespace Mgr
  54
  55 #endif /* SQUID_MGR_FUN_ACTION_H */